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Hitachi Elevator (Thailand) Co., Ltd.

Organization Structure

Organization Structure



Committee Members

Chairman of the Company

Dr.Phornthep Phornprapha

Chairman of the Company
Executive Director

Mr. Prakasit Phornprapha

Executive Director
President

Mr. Victor Sia Tuck Seng

President
Managing Director

Mr. Chatchai Laotrakul

Managing Director
Director

Mr. Noriharu Amiya

Director
Director

Mr. Takeshi Yamamoto

Director
Director

Mr. Tatsuhiro Koguchi

Director
Director

Mr. Motofumi Suzuki

Director
Director

Mr. Prasert Chiamcharoen

Director
Directory

Mr. Katsumi Sakashita

Director
Name : Dr.Phornthep Phornprapha Chairman of the Company
Current Position : Director and Chairman of the Company
Work Background : Present : Chairman of Companies within the Siam Motors Group, such as ;
Chairman, Siam Motors Co., Ltd.
Chairman, Siam Daikin Sales Co., Ltd.
Chairman, NSK Bearings (Thailand) Co., Ltd.
Chairman, Bangkok Komatsu Co., Ltd.
Chairman, Nittan (Thailand) Co., Ltd.
Chairman, Siam Music Yamaha Co., Ltd.
Chairman and Director, Siam-Hitachi Elevator Co., Ltd.
Chairman and Director, Hitachi Elevator (Thailand) Co., Ltd.
Name : Mr. Prakasit Phornprapha Executive Director
Current Position : Director and Executive Director
Work Background : Present : Chairman, President and Executive Director of Companies within the Siam Motors Group, such as ;
2010 – Present : Chairman, GS Yuasa Siam Sales Ltd
2004 – Present : President, Siam Motors Co., Ltd
2004 – Present : President, Siam GS Sales Co., Ltd.
2011 – Present : Executive Director, NSK Bearings Manufacturing (Thailand) Co., Ltd.
2016 – Present : Director and Executive Director, Siam-Hitachi Elevator Co., Ltd.
2018 – Present : Director and Executive Director, Hitachi Elevator (Thailand) Co., Ltd.
2022 – Present : Director, Nissan Motor (Thailand) Co., Ltd.
Name : Mr. Victor Sia Tuck Seng President
Current Position : Director and President
Work Background : 1988 : Joined Hitachi Elevator Engineering (S) Pte. Ltd.
2007 : General Manager, Hitachi Asia Ltd.
2013 : President, Hitachi Elevator Philippines Corporation
2020 : Managing Director, Hitachi Elevator Asia Pte. Ltd.
2022 : Asia Head & CMO, Building Systems Business Unit, Hitachi, Ltd.
            Director, Hitachi Elevator (Thailand) Co., Ltd.
2025 : Asia Head, Urban Systems Business Unit, Hitachi, Ltd.
Name : Mr. Chatchai Laotrakul Managing Director
Current Position : Director and Managing Director
Work Background : 1996 : Joined Siam NSK Steering Systems Co., Ltd.
2013 : Managing Director, Siam NSK Steering Systems Co., Ltd.
2018 – Present : Joined Siam-Hitachi Elevator Co., Ltd. as Director and Managing Director
2024 – Present : Joined Hitachi Elevator (Thailand) Co., Ltd. as Director and Managing Director
Name : Mr. Noriharu Amiya Director1
Current Position : Director
Work Background : 1992 : Joined Hitachi, Ltd.
2019 : General Manager of Management Planning Office, Strategy Planning Div., Hitachi, Ltd.
2022 : Vice President & Executive Officer, Deputy CEO and Head of Japan Business of Railway Systems Business Unit, Hitachi, Ltd.
2024 : Vice President & Executive Officer, CEO of Building Systems Business Unit and Deputy General Manager of Connective Industries Div., Hitachi, Ltd. / President & CEO of Hitachi Building Systems Co., Ltd.
2025 : Senior Vice President & Executive Officer, COO of Connective Industries Sector and CEO of Urban Systems Business Unit, Hitachi, Ltd.
2024 – Present : Director, Hitachi Elevator (Thailand) Co., Ltd.
Name : Mr. Takeshi Yamamoto Director2
Current Position : Director
Work Background : 1984 : Joined Hitachi Building Systems Co., Ltd.
2021 : General Manager, Business Planning Div., Building Systems Business Unit, Hitachi, Ltd.
         Director and General Manager, Business Planning Div., Hitachi Building Systems Co., Ltd.
2023 : COO, Deputy Japan Head & General Manager, Domestic Business Management Div.,
          Building Systems Business Unit, Hitachi, Ltd. Hitachi Building Systems Co., Ltd.Managing Director and General Manager, Domestic Business Management Div.,
2024 : COO, Deputy Japan Head & General Manager, Domestic Business Management Div.,
          Building Systems Business Unit, Hitachi, Ltd. Vice President, Domestic Business Management Div., Hitachi Building Systems Co., Ltd.
2025 : COO & Japan Head, Urban Systems Business Unit, Hitachi, Ltd.
         President & CEO, Hitachi Building Systems Co., Ltd.
2023 – Present : Director, Hitachi Elevator (Thailand) Co., Ltd.
Name : Mr. Tatsuhiro Koguchi Director3
Current Position : Director
Work Background : 1983 : Joined Hitachi Building Systems Co., Ltd.
2019 : Branch Manager, Kanto Branch, Hitachi Building Systems Co., Ltd.
2023 : Branch Manager, Kansai Branch, Domestic Business Management Div., Hitachi Building Systems Co., Ltd.
2024 – Present : Director and Branch Manager, Kansai Branch,
           Domestic Business Management Div., Hitachi Building Systems Co., Ltd.
2025 : Director, Hitachi Elevator (Thailand) Co., Ltd.
Name : Mr. Motofumi Suzuki Director4
Current Position : Director
Work Background : 2003 : Joined Hitachi, Ltd.
2019 : Manager of Business Planning Dept, Hitachi Building Systems Co., Ltd.
2022 – 2024 : Senior Manager, Hitachi Elevator Asia Pte. Ltd.
2025 : Director and Deputy Managing Director, Siam-Hitachi Elevator Co., Ltd.
2025 : Director, Hitachi Elevator (Thailand) Co., Ltd.
Name : Mr. Prasert Chiamcharoen Director5
Current Position : Director
Work Background : 2016 : Joined Bangkok Komatsu Forklift Co., Ltd.
2020 : Assistant Managing Director, Bangkok Komatsu Forklift Co., Ltd.
2021 : Joined Siam Motors Parts Co., Ltd. as Finance & Accounting General Manager
            Joined Siam Yamaha Motors Robotics Co., Ltd. as Managing Director
            Joined Siam Smart Solutions Co., Ltd. as Director
2024 – Present : Joined Hitachi Elevator (Thailand) Co., Ltd.
            as Director and Senior General Manager, Account & Finance Div.
Name : Mr. Katsumi Sakashita Director6
Current Position : Director
Work Background : 2007 : Joined Hitachi, Ltd.
2013 : Manager, Financial Div., Urban Planning & Development Systems Company, Hitachi, Ltd.
2020 : Manager, Finance Div., Hitachi Building Systems Co., Ltd.
2022 – Present : Director and Cost & Financial Advisor, Siam-Hitachi Elevator Co., Ltd.
2024 – Present : Director, Hitachi Elevator (Thailand) Co., Ltd.
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